SWP Calculator — Systematic Withdrawal Plan

Written by Great Medico

Updated September 25, 2026 •2 min read

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When a financial question has several moving parts, a small calculator is most useful when it stays narrow. SWP Calculator — Systematic Withdrawal Plan does exactly that: it uses the values shown here to answer one specific question. On this page, it solves either the opening balance required for withdrawals or the withdrawal supported by a balance.

What this calculator does

SWP Calculator — Systematic Withdrawal Plan solves either the opening balance required for withdrawals or the withdrawal supported by a balance. Its visible inputs are I’d like to know the…, Withdrawal amount, Withdrawal frequency, Duration, Expected return, Inflation rate, First withdrawal date, Opening balance. The article follows those fields and the calculation that is actually available on this page; it does not silently add live market feeds, tax tables, legal eligibility tests, or other variables that are not present in the tool.

How to use it

Enter I’d like to know the…, Withdrawal amount, Withdrawal frequency, Duration, Expected return, Inflation rate, and the remaining displayed fields. Use the units and percentage scale shown beside each field, and keep values on the same time basis when the formula compares income, rates, prices, balances, or work hours.

How the calculation works

Using the selected withdrawal frequency, the page applies the present-value annuity relationship. It can solve either the level withdrawal supported by an opening balance or the opening balance required for the entered withdrawal amount and duration.

Example

Using the page’s demonstration values (I’d like to know the… = required_investment; Withdrawal amount = 10,000; Withdrawal frequency = 12; Duration = 10) and leaving the remaining defaults unchanged, the calculator returns ₹829,709.57 for required opening balance. Replace the sample inputs with values from the same period and definition before interpreting your own result.

How to interpret the result

Use the number as a mathematical projection from the entered contribution, rate, term, or tax assumption. Scheme eligibility, statutory caps, credited rates, tax treatment, lock-ins, withdrawal rules, and lender practices are separate questions that can change over time.

Limitations and notes

A constant return does not capture sequence-of-returns risk. Taxes, fund fees, changing withdrawals, and market drawdowns can materially change how long a portfolio lasts. Government schemes and tax rules can change by financial year or notification. Interest rates may be reset, contribution limits can apply, and tax/withdrawal treatment may depend on eligibility. Verify the current official scheme or tax rule before acting.